Champion of the 1st edition of TUF in an emblematic fight against Stephan Bonnar, Forrest Griffin became holder of the light heavyweight belt after beating Rampage Jackson
Matt Serra is remembered as one of the most successful post-TUF athletes. After winning the 6th edition of the reality show, he qualified for a fight for the title and 'shocked the world' by knocking out Georges St-Pierre
Rashad Evans was considered the underdog among nine competitors in the heavyweight division, but he won TUF. About three years later, he beat Forrest Griffin and, undefeated, became light heavyweight champion
TJ Dillashaw reached the TUF finals, but lost to John Dodson. Still, he was hired by the organization and turned things around three years later, surprising Renan Barão and winning the bantamweight title.
Former Invicta FC champion, Carla Esparza put on a show by submitting Rose Namajunas and, at the end of TUF, she managed to become the inaugural champion of the strawweight category
Michael Bisping is the famous case of persistence. The road has been tough since he won the 3rd season of TUF, but after ten years, the Englishman surprised by knocking out Luke Rockhold in a rematch to become middleweight champion
In 2012, it was Robert Whittaker's turn to win TUF in the welterweight category. But, after a negative sequence in the division, he preferred to drop down, where he became champion by overcoming Yoel Romero.
Since winning the 13th season of TUF, Tony Ferguson has put together one of the most impressive winning streaks in UFC history to become interim lightweight champion with a submission win over Kevin Lee. He, however, did not get the chance to unify his title for suffering from injuries
Finalist of the 20th season of TUF, Rose Namajunas lost to Carla Esparza. About three years later, she was the youngest champion in UFC history (25 years old). She beat Joanna Jędrzejczyk
Champion of the 26th season of TUF, Nicco Montano won the inaugural women's flyweight belt against UFC's Roxanne Modafferi. However, shortly afterwards, the title was taken from his hands due to a period of consecutive injuries.
Kamaru Usman had the weight of the world on his shoulders when he represented his former gym 'The Blackzilians' on TUF Season 21. He continued without losing in the organization until overcoming Tyron Woodley for the welterweight title, which he currently holds
In addition to winning the 18th edition of the reality show, Julianna Peña has also worn the Ultimate belt after submitting Amanda Nunes in one of the biggest upsets in the history of the sport